若AB为抛物线y2=2px (p>0)的动弦,且|AB|=a (a>2p),则AB的中点M到y轴的最近距离是_________
11-12高二上·浙江嘉兴·阶段练习 查看更多[1]
(已下线)2011年浙江省海盐元济高级中学高二12月月考数学试卷
更新时间:2016-11-30 15:50:06
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